801535321 has 16 divisors (see below), whose sum is σ = 849162240. Its totient is φ = 755334720.

The previous prime is 801535297. The next prime is 801535373. The reversal of 801535321 is 123535108.

It is a cyclic number.

It is not a de Polignac number, because 801535321 - 2⁵ = 801535289 is a prime.

It is a super-3 number, since 3×801535321³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 801535321.

It is not an unprimeable number, because it can be changed into a prime (801533321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 736840 + ... + 737926.

It is an arithmetic number, because the mean of its divisors is an integer number (53072640).

Almost surely, 2^801535321 is an apocalyptic number.

It is an amenable number.

801535321 is a deficient number, since it is larger than the sum of its proper divisors (47626919).

801535321 is a wasteful number, since it uses less digits than its factorization.

801535321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1704.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 801535321 is about 28311.3991353306. The cubic root of 801535321 is about 928.9112479584.

The spelling of 801535321 in words is "eight hundred one million, five hundred thirty-five thousand, three hundred twenty-one".